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Guarulhos weather in January

Weather in Guarulhos: January

Average day temperature: 79.4°F
Average night temperature: 67.0°F
Number of sunny days: 2 days
Day length: 13.2 - 13.6 hours
Number of rainy days: 7 days
Precipitation totals: 3.7 in.

Air temperature in January, °F

Show year:
2025
2024
2023

The highest day temperature during January of 2025 was 87°F. At the same time the lowest night temperature was 62°F. Daily and nightly averages during January were 79.5°F and 67.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Guarulhos in January is 3.7 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 5.3 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 4.6.

Best time for vacation in Guarulhos

Sunniest months:
July 19 days
August 17 days
September 16 days
Warmest months:
March 80.9 °F
September 80.6 °F
December 80.0 °F
Coldest months:
June 71.8 °F
July 72.7 °F
May 73.6 °F
Rainiest months:
February 7 days
January 7 days
December 6 days
Windiest months:
October 6.3 mph
September 6.3 mph
December 6.2 mph

Guarulhos on a weather map

Guarulhos
+73°F
SW 2 mph
Feels like: +77°F
Precip.: 0%
Places in Brazil:
Name
°F
+73°F
+77°F
+72°F
+79°F
+72°F
+77°F
+75°F
+73°F
+75°F
+73°F
+77°F
+73°F
24 Hours Forecast
Guarulhos
Local time: 03:26
December 28, sunday
0600
77°F
S
2 mph
0900
90°F
SW
1 mph
1200
97°F
NE
4 mph
1500
91°F
N
7 mph
1800
79°F
NW
4 mph
2100
77°F
NW
4 mph
December 29, monday
0000
73°F
SW
5 mph
0300
73°F
SW
3 mph
Units of measurement: °C / °F